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This paper introduces dotRL, a platform that enables fast implementation and testing of Reinforcement Learning algorithms against diverse environments. dotRL has been written under .NET framework and its main characteristics include: (i) adding a new learning algorithm or environment to the platform only requires implementing a simple interface, from then on it is ready to be coupled with other environments...
Presents an microworld for investigating the effects of visualizing expanding search areas to support the building of a naval force's common operational picture. The microworld simulates naval warfare operations, and in it, two participants can play against each other in an operations area where both own units and neutrals may be present. The participants control combat vessels used to locate and...
This paper investigates a display manipulation designed to support movement tasks where the location of a threat is uncertain and dynamic. The problem is analogous to that of a naval transportation task, where a ship has to move from one port to another under threat from several enemies of which only the initial positions are known. The display manipulation visualizes a time-dependent constraint on...
Emergency response is an especially challenging domain for decision support, as often high-impact decisions must be made quickly, usually under high levels of uncertainty about the situation. The level of uncertainty and the time pressure require a new approach to using model-based decision support tools during ongoing emergency events. This paper discusses the latest in a series of experiments examining...
Vehicle accidents are a major concern in open pit mines around the world. Factors such as visibility, fatigue and human error are the cause of many collisions in surface mines. These factors have a direct impact in the awareness of the vehicle operators. Intelligent transportation systems can address these factors and consequently benefit vehicular safety. Technology has the potential to effectively...
While there have been many advances in intelligent monitoring, it is still difficult to understand complex environments without human assistance. Rather than focus on fully automated monitoring, this work advocates user-centered analysis. A standardized analysis environment for visual fusion and embedding of information is developed called CANVAS (Contextual Activity Notification Visualization Analysis...
The paper discusses the technical issues of developing the web-based distributed spatial information management framework for geological disaster control. The framework includes four main components: 1) The web-based geospatial portal, which provides users web-embedded GIS user interface with union portal passport and uniform identity authentication. Integrated with role-based and geospatial metadata-driven...
A collaborative team of U.Va. professors and students from eight different schools as well as private consultants built a large-scale agent-based model as a multiplayer game (The U.Va. Bay Game) to simulate the sources of pollution and the overall health of the Chesapeake Bay watershed. In a test run in 2009, 144 players (mostly students) participated as farmers, policy makers, watermen, etc. over...
The Applied Research Laboratory at Penn State University has a long history of developing software tools to support decision-making within the conceptual stage of complex systems design. Previous research introduced a new approach to trade space exploration called Visual Steering. This approach combines exercising a design model and analyzing the results into a tightly coupled loop that lets decision...
To enhance support of emergency response decision making, we are investigating decision aids that use simulation models to predict the range of plausible consequences of each potential course of action. Due to the rapid pace of emergency operations, the user interface displaying the models' results needs to facilitate quick understanding of a changing landscape of possible futures. This paper describes...
The art of computer-based game production is an aspiring goal and a challenging task. It involves many different activities, expertise and skills into many different areas such as: game theory, programming skills, multimedia, 2D/3D graphics and animation, sound engineering, story writing, project design and management, physics, logic design, interface programming, artificial intelligence (AI) and...
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